Facebook has become the defacto social network. You may not want to be on it, but you are because your friends and family are there. It also fascinates people to know when someone has "unfriended" them -- after all, we all want to know who has dropped us by the wayside.
There have been apps in the past that purport to tell us this, but a new one seems to be designed to steal passwords. Unfriend Alert is described by Hacker News as "a free application that notifies you whenever someone removes you from the Facebook friend list, has been found collecting its users' Facebook credentials".
The only good news is that the program may work (though not well), but it does require your sign in and password, which is a very bad idea. MalwareBytes points out that "Looking at a Wireshark log for this check however shows that the login credentials are not sent directly to Facebook but to yougotunfriended.com”.
The app also displays ads and can install malicious software on the user's computer. It can be uninstalled, but what it leaves behind may prove more difficult to get rid of. In addition, it doesn't show up in the apps list on Facebook, making it easy to forget it's there and quite possibly monitoring you.
MalwareBytes recommends removing the app and also changing your password. The security firm's software will find and remove it, but the rest is up to you. The best advice is to not fall for these types of apps to begin with.
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